Samsung Galaxy S II Online User's Manual page 208

Ensure that any mobile devices or related equipment
installed in your vehicle are securely mounted.
Check regularly that all wireless mobile device
equipment in your vehicle is mounted and operating
properly.
When using a headset in dry environments, static
electricity can build up in the headset and cause a
small quick static electrical shock. To minimize the
risk of electrostatic discharge from the headset avoid
using the headset in extremely dry environments or
touch a grounded unpainted metal object to
discharge static electricity before inserting the
headset.
Do not store or carry flammable liquids, gases, or
explosive materials in the same compartment as the
mobile device, its parts, or accessories.
For vehicles equipped with an air bag, remember
that an air bag inflates with great force. Do not place
objects, including installed or portable wireless
equipment near or in the area over the air bag or in
the air bag deployment area. If wireless equipment is
improperly installed and the air bag inflates, serious
injury could result.
193 4A. Important Safety Information
Switch your mobile device off before boarding an
aircraft. The use of wireless mobile devices in aircraft
is illegal and may be dangerous to the aircraft's
operation. Check with appropriate authorities before
using any function of a mobile device while on an
aircraft.
Failure to observe these instructions may lead to the
suspension or denial of cell phone services to the
offender, or legal action, or both.
While using your device, leave some lights on in the
room and do not hold the screen too close to your
eyes.
Seizures or blackouts can occur when you are
exposed to flashing lights while watching videos or
playing games for extended periods. If you feel any
discomfort, stop using the device immediately.
Reduce risk of repetitive motion injuries. When you
repetitively perform actions, such as pressing keys,
drawing characters on a touch screen with your
fingers, or playing games, you may experience
occasional discomfort in your hands, neck,
shoulders, or other parts of your body. When using
your device for extended periods, hold the device
with a relaxed grip, press the keys lightly, and take